Page:Popular Science Monthly Volume 89.djvu/514

 Queer Uses of Railway Cars

��At left, one of the rescue cars operated by the Bureau of Mines. Each car is manned by experts and is equipped with every device known to science that will aid in saving lives in disasters in the mines

Below, a breakdown in a copper mine made it neces- sary to secure three huge mill -heads at once. The end of an "express car had to be torn open to admit them

��� �